package com.crm.settings.web.interceptor;

import com.crm.commons.contants.Contants;
import com.crm.settings.domain.User;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @Author: dhy
 * @Date: 2023/02/15/16:05
 * @Description: 拦截非登录页面
 **/
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
        //如果用户没有登录成功，跳转到登录界面
       User user= (User)request.getSession().getAttribute(Contants.SESSION_USER);
      if (user == null){
          response.sendRedirect(request.getContextPath());
          return false;
      }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
